Weblogic Administrator

Weblogic Administrator Interview Questions and Answers

Updated 1 Oct 2023

Q1. Application running fine but user facing issues. What is the approach to check the issue..

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Check server logs, monitor system resources, analyze application performance, and troubleshoot network connectivity.

Check server logs for any errors or warnings that may be impacting user experience.
Monitor system resources such as CPU, memory, and disk usage to ensure they are not being maxed out.
Analyze application performance metrics to identify any bottlenecks or issues affecting user experience.
Troubleshoot network connectivity to ensure users can access the application ...read more

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User session failover can be achieved through session replication and load balancer configuration.

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Use the 'find' command to locate and delete older log files in Linux.

Use the 'find' command with the '-mtime' option to specify the number of days since the file was last modified.
Example: find /path/to/logs -type f -mtime +7 -exec rm {} \; will delete log files older than 7 days.

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SSL certificates are digital certificates that authenticate the identity of a website and encrypt data sent to and from it.

SSL certificates use public key encryption to secure data transmission
They contain information about the website owner, domain name, and expiration date
SSL certificates can be obtained from trusted certificate authorities or self-signed
They are essential for secure online transactions and protecting sensitive information

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A cluster is a group of servers that work together to provide high availability and scalability for applications.

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Patching refers to the process of updating software to fix bugs or security vulnerabilities.

Patching involves downloading and installing updates from the software vendor.
It is important to test patches before deploying them to ensure they do not cause any issues.
Patching should be done regularly to ensure software is up-to-date and secure.
Examples of patching include installing Windows updates or updating Java on a server.

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Ans.

JDBC stands for Java Database Connectivity. It is a Java API that allows Java programs to access databases.

JDBC provides a standard set of interfaces for accessing relational databases.
It allows Java programs to connect to a database, execute SQL queries, and retrieve results.
JDBC drivers are used to connect to different types of databases, such as Oracle, MySQL, and SQL Server.
JDBC is used in many Java-based applications, such as web applications and enterprise applications.